Can Bronze Corydoras and Lake Tebera Rainbowfish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Possible with Caution

Keeping Bronze Corydoras and Lake Tebera Rainbowfish together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 110 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Bronze Corydoras

Corydoras aeneus

Lake Tebera Rainbowfish

Melanotaenia herbertaxelrodi

🐠Family Group
Bronze Corydoras
Catfish
Lake Tebera Rainbowfish
Rainbowfish
Temperament
Bronze Corydoras
Peaceful (1/10)
Lake Tebera Rainbowfish
Peaceful (2/10)
Temperature
✓ Compatible
Bronze Corydoras
22–27°C
Lake Tebera Rainbowfish
20–25°C
pH Range
✓ Compatible
Bronze Corydoras
6–7.5
Lake Tebera Rainbowfish
7.2–8
Hardness (dGH)
✓ Compatible
Bronze Corydoras
2–15
Lake Tebera Rainbowfish
8–15
Water Type
✓ Compatible
Bronze Corydoras
Freshwater Only
Lake Tebera Rainbowfish
Freshwater Only
Flow Preference
✓ Compatible
Bronze Corydoras
Moderate
Lake Tebera Rainbowfish
Moderate
Min Tank Volume
Combined: 110 L
Bronze Corydoras
60 L
Lake Tebera Rainbowfish
110 L
Swimming Level
✓ Different zones
Bronze Corydoras
Bottom
Lake Tebera Rainbowfish
MiddleTop
🏷️Behavior Tags
Bronze Corydoras
Hyperactive / Fast SwimmerDigger (Disturbs Substrate)
Lake Tebera Rainbowfish
Hyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Jumper (Lid Required)
Stocking calculator

Can your tank handle Bronze Corydoras and Lake Tebera Rainbowfish?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Bronze Corydoras
Lake Tebera Rainbowfish
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Behaviour & Temperament

Bronze Corydoras is a peaceful species (1/10), while Lake Tebera Rainbowfish is peaceful (2/10). This modest difference means Lake Tebera Rainbowfish may occasionally assert dominance over Bronze Corydoras.

In terms of spatial distribution, Bronze Corydoras prefers the Bottom (Substrate) zone, whereas Lake Tebera Rainbowfish occupies the Middle (Open Water) and Top (Surface) zones. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Worth noting: Lake Tebera Rainbowfish is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 22°C and 25°C. Aim for the midpoint of this range (around 23.5°C) for optimal comfort.

Both fish can tolerate a pH between 7.2 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 8–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Bronze Corydoras and Lake Tebera Rainbowfish together, plan for an aquarium of at least 110 litres with a minimum length of 90 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Sand (Sifters), Plants - Densely covered. Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Bronze Corydoras and Lake Tebera Rainbowfish need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Bronze Corydoras and Lake Tebera Rainbowfish.

Show 10 more tank sizes

Frequently Asked Questions

Can Bronze Corydoras and Lake Tebera Rainbowfish live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 110 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Bronze Corydoras and Lake Tebera Rainbowfish need?

A minimum of 110 litres (tank length at least 90 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Bronze Corydoras and Lake Tebera Rainbowfish together?

Keep the aquarium between 22°C and 25°C. A target of around 23.5°C sits comfortably within both species' preferred ranges.

Are Bronze Corydoras or Lake Tebera Rainbowfish aggressive?

Bronze Corydoras is peaceful (1/10) and Lake Tebera Rainbowfish is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Bronze Corydoras and Lake Tebera Rainbowfish need?

Both species overlap in the 7.2–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 6, 2026
Last updated
May 6, 2026
Issues or corrections?
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